Specifications:

3. Easy to put salt in and save workers' effort. No need to lift the large cover and just open small lid is ok to refill salt.

4. No swing brine well anymore. Brine well of above 350 liters is extended upforward to the large cover so that the effective volume of salt solution is increased by 50%. For 60 liters to 200 liters, brine well holders do the work.